Comparative effect of biochar and activated carbon addition on the mesophilic anaerobic digestion of piggery waste in batch mode

被引:9
作者
Herrmann, Christiane [1 ]
Sanchez, Enrique [2 ]
Schultze, Maja [1 ]
Borja, Rafael [3 ]
机构
[1] Leibniz Inst Agr Engn & Bioecon ATB, Dept Bioengn, Potsdam, Germany
[2] Investment GAMMA SA, Minist Sci Technol & Environm, Havana, Cuba
[3] Inst Grasa CSIC, Campus Univ Pablo de Olavide,Bldg 46,Ctra Utrera, Seville 41013, Spain
来源
JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH PART A-TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING | 2021年 / 56卷 / 09期
关键词
Biochar addition; activated carbon addition; mesophilic batch anaerobic digestion; piggery waste; METHANE PRODUCTION; OPTIMIZATION; SLUDGE; BIOGAS;
D O I
10.1080/10934529.2021.1944833
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
A comparative study of the batch mesophilic anaerobic digestion of piggery waste was carried out with the addition of 5% biochar and 5% activated carbon. The results obtained showed that the bioreactors amended with biochar increased cumulative methane production, the kinetic constant for methane production and the COD removal efficiency compared to the control reactors and reactors with activated carbon addition. The maximum methane production and the kinetic constant were 6.9% higher in the reactors with biochar addition compared to the controls; while the COD removal efficiency was 3% higher in the case of biochar addition. In the case of activated carbon, only a slight improvement in anaerobic digestion performance was observed compared to the control.
引用
收藏
页码:946 / 952
页数:7
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